Minor changes, avoid recursive approach in readPacket()
Minor changes, avoid recursive approach in readPacket()

eXcomm/gomysql,helight/helight_code,sunjian1/mysql,LightKool/mysql-go,muthusubbu459/mysql,segmentio/mysql,yonglehou/mysql,go-sql-driver/mysql,VividCortex/mysql,beego/mysql,wfxiang08/mysql,tmulchay/mysql,zhgo/mysql,methane/mysql,yyljlyy/mysql,helight/helight_code,segmentio/mysql,rafaeljusto/mysql,hebihui/mysql,methane/mysql,springning/mysql,roth1002/mysql,VividCortex/mysql,netroby/mysql,helight/helight_code,LightKool/mysql-go,Vorstack/mysql,Freeaqingme/golang-sql-driver-mysql,aperera/mysql,jockchou/mysql,cxflag203/mysql,hyperworks/mysql,joshuaprunier/mysql,nanata1115/mysql,siriele/mysql,helight/helight_code,helight/helight_code,henrylee2cn/mysql,eklitzke/mysql,helight/helight_code,bookerzzz/mysql,cw2018/mysql,Go-SQL-Driver/MySQL,helight/helight_code,helight/helight_code,bookerzzz/mysql,Frca/mysql,rlowe/mysql,chinanjjohn2012/mysql,helight/helight_code